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Recognised as Colour

#09554B

  • #09554B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#09554B is a cyan with RGB values 9, 85, 75 and HSL 172°, 81%, 18%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#09554B#09554B
HEX#09554B
RGBrgb(9, 85, 75)
RGB (0–1)0.0353, 0.3333, 0.2941
RGB percentages3.5%, 33.3%, 29.4%
HSLhsl(172.1, 80.9%, 18.4%)
HSV / HSBhsv(172.1, 89.4%, 33.3%)
CMYK89.4%, 0%, 11.8%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer611,659
CSS custom property--colour: #09554B;

Brightness & contrast

Relative luminance0.07063WCAG 2.x, 0 is black and 1 is white
Perceived brightness70 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.7:1
Contrast with white8.7:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#F6AAB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#514F4Bno red cones; affects about 1% of men; ΔE 24.3 from the original
Deuteranopia#47484Cno green cones; the most common form, about 1% of men; ΔE 24.7 from the original
Tritanopia#005752no blue cones; rare, and affects men and women equally; ΔE 3.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.7:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.8Teal · ΔE 18.9Dark cyan · ΔE 23Dim grey · ΔE 27.1Cadetblue · ΔE 30.4Slate grey · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.83, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#550913
Analogous#095525, #093955
Triadic#4B0955, #554B09
Split complementary#550939, #552509
Tetradic#250955, #550913, #395509

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3FEBD4
Lighter +30%#18DFC5
Lighter +20%#13B19C
Lighter +10%#0E8374
Darker −10%#042722
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005E52
Less saturated −25%#154942

Channel breakdown

R9
G85
B75
Red9 (3.5%)
Green85 (33.3%)
Blue75 (29.4%)
Hue172.11°
Saturation (HSL)80.85%
Lightness18.43%
Dominant channelGreen
Hex per channelR 09 · G 55 · B 4B

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Every value on this page was computed from “09554b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.